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Reduce Energy Costs & Unlock New Revenue with Zero CAPEX.

We design, finance, deploy, and operate behind-the-meter Battery Energy Storage Systems (BESS) for C&I sites. You get guaranteed savings and a fixed rental income—we handle the rest.

Get My Free ROI Study

Our End-to-End BESS Investment Service

No-CAPEX On-Site Investment

We fund, own, and install the complete BESS at your facility. No upfront cost to you.

Guaranteed Site Benefits

You retain all clearly defined internal savings from peak-shaving, self-consumption, and tariff arbitrage.

Fixed Site Rental Fee

We pay you a fixed monthly or annual rental fee for hosting the asset on your site.

Optional Revenue Share

On top of your fixed rent, you can choose to participate in the performance upside from grid services.

Turnkey Project Management

We manage everything: Design → Permitting → EPC → Commissioning → 24/7 Monitoring & O&M.

Your Immediate & Long-Term Value

Our BESS solutions provide immediate savings and create long-term value for your business.

Lower Bills Immediately

Reduce demand charges, optimize average power, shift load with time-of-use tariffs, and maximize solar self-consumption.

New, Stable Income

Receive a predictable site rental fee paid by us, plus an optional share of market performance revenue.

Zero Capex, Minimal Risk

We take on the financial and operational risk. You get the benefits without the investment.

Enhanced Resilience

Add optional backup power for critical loads and improve your site's overall power quality.

A Simple, Data-Driven Process

1. Data & ROI Study

We analyze your 5-min interval load/solar data to simulate precise sizing, savings, and revenue potential.

2. Techno-Commercial Proposal

You receive a clear proposal with the right-sized BESS, layout, financial model, and contract terms.

3. Turnkey Delivery

Our team manages the full EPC cycle with factory-tested systems and rigorous HSE/QC standards.

4. Operate & Optimize

We provide 24/7 EMS control, full warranty/O&M support, and continuous performance tuning.

Choose the Model That Fits Your Business

Model A – Fixed Rent + Savings

Simple & Predictable

You retain 100% of defined internal savings. We pay you a fixed site rental fee and manage all market operations for our own revenue. No admin for you.

Model B – Lower Fixed Rent + Revenue Share

Performance-Based Partnership

You retain internal savings, receive a smaller fixed rent, plus a percentage share of total realized benefits (arbitrage, grid services) with transparent quarterly reporting.

Is Your Site a Good Fit?

Our model delivers the highest ROI for sites with one or more of the following characteristics:

What Our Partners Say

"GP-SI1's no-capex model was a game-changer. We started saving on energy bills immediately, and the rental income is a fantastic bonus. Their team handled everything flawlessly."
- Logistics Manager, Manufacturing Plant
"The level of detail in their initial ROI study gave us the confidence to proceed. The BESS has performed exactly as projected, reducing our peak demand charges significantly."
- CFO, Food & Beverage Co.
"We wanted to maximize our solar investment, and their BESS solution was the perfect fit. The integration was seamless, and their 24/7 monitoring provides complete peace of mind."
- Operations Director, Commercial Real Estate
"The fixed rental fee created a new, predictable revenue stream for us with zero effort on our part. It's a true partnership model."
- Site Manager, Data Center
"Their professionalism and expertise are top-notch. From permitting to commissioning, the project was managed efficiently and transparently."
- Facility Owner, Hospitality Group
"The optional revenue share model was attractive to us. It's great to see the upside from grid services on top of our guaranteed savings."
- Financial Controller, Industrial Park
"Power quality has noticeably improved since the BESS was installed. It's an underrated benefit that has stabilized our sensitive equipment."
- Head of Engineering, Pharma Facility

Bankable, Tier-1 Technology

We partner with global leaders to deliver bankable hardware with a robust supply chain and strong after-sales support.

BESS

Gotion cabinetized systems (e.g., 211 kWh baseline), fully scalable to multi-MWh configurations.

PCS

Kehua containerized Power Conversion Systems for efficient and reliable grid interaction.

EMS

Advanced Energy Management System optimized for peak-shaving, tariff shifting, and market bidding.

Safety & Compliance

Systems are fully certified (CE, IEC) with integrated fire suppression and 24/7 remote monitoring.

Our Performance Guarantee

We offer a wide range of services to help you grow your business.

Availability

We target ≥ 98% system availability, with clearly defined maintenance windows.

Performance

We track and report on KPIs for peak reduction and energy throughput via a transparent dashboard.

Warranties

Comprehensive cell, system, and PCS warranties are passed down from the OEM and managed by us.

Insurance & HSE

We hold full construction and operational insurance policies and ensure strict HSE compliance.

Support & Maintenance

Our team provides ongoing support to ensure your application is always running smoothly.

Analytics & Reporting

We track performance and provide insights to help you make informed business decisions.

Start with a Free, No-Obligation ROI Analysis

Share 12 months of your site's interval data (consumption + PV if available). We'll prepare a detailed proposal outlining your guaranteed savings and fixed rental income.